Designs and practices of energy saving in Lhasa Railway Station

Cui, Kai; Pan, Yungang; Shan, Lianwei

doi:10.1007/s11708-010-0011-3

Cited by 2 publications

(1 citation statement)

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“…Wherever possible, the use of solar thermal energy is also an interesting way to reduce the consumption of HVAC systems in stations. Thus, it can be used directly for heating purposes [140] or to power absorption cooling machines [141,142]. However, the potential of this alternative has not been entirely exploited in railway systems so far.…”

Section: Infrastructure-related Measuresmentioning

confidence: 99%

A systems approach to reduce urban rail energy consumption

González-Gil

Palacín

Batty

et al. 2014

Energy Conversion and Management

399

190

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There is increasing interest in the potential of urban rail to reduce the impact of metropolitan transportation due to its high capacity, reliability and absence of local emissions. However, in a context characterised by increasing capacity demands and rising energy costs, and where other transport modes are considerably improving their environmental performance, urban rail must minimise its energy use without affecting its service quality. Urban rail energy consumption is defined by a wide range of interdependent factors; therefore, a system wide perspective is required, rather than focusing on energy savings at subsystem level. This paper contributes to the current literature by proposing an holistic approach to reduce the overall energy consumption of urban rail. Firstly, a general description of this transport mode is given, which includes an assessment of its typical energy breakdown. Secondly, a comprehensive appraisal of the main practices, strategies and technologies currently available to minimise its energy use is provided. These comprise: regenerative braking, energy-efficient driving, traction losses reduction, comfort functions optimisation, energy metering, smart power management and renewable energy micro-generation. Finally, a clear, logical methodology is described to optimally define and implement energy saving schemes in urban rail systems. This includes general guidelines for a qualitative assessment and comparison of measures alongside a discussion on the principal interdependences between them. As a hypothetical example of application, the paper concludes that the energy consumption in existing urban rail systems could be reduced by approximately 25-35% through the implementation of energy-optimised timetables, energy-efficient driving strategies, improved control of comfort functions in vehicles and wayside energy storage devices.

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Section: Infrastructure-related Measuresmentioning

confidence: 99%